Earlier today, I did a post on how yet another iPhone 4G prototype has been found thanks to Mainguyen. Well, Mainguyen has posted 2 videos showing off this iPhone 4G prototype. The iPhone 4G prototype does boot up, but it doesn’t run any iPhone OS, it actually has some sort of OS for development purposes. Anyway, here are the videos:

The next iPhone (iPhone 4G/HD) will most likely be announced at the WWDC next month.